baber/WOPTO huggingface dataset:
Patent KR-20020029151-A (KR)
Title: Cromate coating solution having superior corrosion resistance in high curing condition after forming for automobile fuel tank and Method for manufacturing steel sheet by using it
Inventor: CHO SU HYEON
IPC: C23C22/30
Filed: 2000-10-12
Abstract: PURPOSE: A chromate solution is provided which has superior corrosion and fuel resistance after a chromate solution for automobile fuel tanks is dried at a high temperature, and then formed, and a method is provided to manufacture a plated steel sheet having superior corrosion and fuel resistance using the chromate solution. CONSTITUTION: The chromate solution for automobile fuel tanks having superior corrosion resistance after high temperature baking and forming comprises a base solution in which 300 to 2000 wt.% colloidal silica, 20 to 40 wt.% of fluoric acid, 50 to 80 wt.% of phosphoric acid, 5 to 15 wt.% of sulfuric acid and 25 to 40 wt.% of sodium phosphate are contained for chromium in an aqueous chromium solution where a composition of trivalent chromium in 7 to 50 g/L of chromium is 0.4 to 0.8; and a curing agent solution which contains 5 to 30 wt.% of titanium having alkoxy group, and a pH of which is controlled to 2 to 3, wherein the curing agent solution is mixed in an amount of 20 to 50 wt.% for the base solution.
Patent KR-20010051140-A (KR)
Inventor: JUNG JONG HUN
IPC: G11B21/02
Filed: 2000-10-19
Abstract: PURPOSE: An actuator arm to limit moving of hard disc within hard disc drive is provided to prevent contact between arm and data zone and to protect data from impact by supplying an actuator arm having a several ridge extended from actuator beam. CONSTITUTION: A bearing installation part(32) is there. A voice coil part(38) is extended from the bearing installation part(32). An actuator arm(22) is extended from the bearing installation(32) and includes an actuator beam(30) having a ridge(44). The ridge(44) is positioned adjacent to non-data zones(46) which exist in outside part of disc(16). Non-data zones(46) is positioned adjacent to data zone(48) of disc surface(28). An impact rod can transfer the disc in relation with the actuator arm(22). The ridge(44) intervenes non-data zones of the disc(16) and prevents contacts between the actuator arm(22) and the data zone(48). The ridge has a height to allow sufficient clearance between the arm(22) and the disc surface(28) and can be rotated among beams(30).
Patent KR-20020032789-A (KR)
Title: lateral PNP transistor and manufacturing method thereof
Inventor: KWON TAE HUN
IPC: H01L21/8222
Filed: 2000-10-27
Abstract: PURPOSE: A lateral-type PNP transistor and a method for fabricating the transistor are provided to promote the efficiency of the transistor by deepening the junction depth of an emitter region and a collector region and thereby increasing their area. CONSTITUTION: After an N-type buried layer(12) is formed in a P-type substrate(11) by implanting and diffusing N-type ions with high concentration, an N-type epitaxial layer(13) is grown thereon. Next, an N-well(14) with high concentration is selectively formed in the epitaxial layer(13) and connected to the buried layer(12). Then a plurality of trenches are formed in the epitaxial layer(13) and p-type ions are implanted into the bottom of the trenches to form the emitter region(17) and the collector region(18). Next, an interlayer dielectric layer(19) is formed thereon to have contact holes exposing the regions(17,18) and the N-well(14). In and on the contact holes, conductive lines(20) are formed and connected to the emitter region(17), the collector region(18) and a base region. By forming the trenches or alternatively using temporarily formed LOCOS layer, the junction depth(b) of the emitter and collector regions becomes deeper.
Patent KR-20020034250-A (KR)
Title: Apparatus for improving distinction of picture TV
Inventor: SHIN HWA CHEOL
IPC: H04N5/14
Filed: 2000-10-31
Abstract: PURPOSE: An apparatus for improving definition of a TV screen is provided to increase the level of a velocity modulation signal applied to the marginal portion of the screen so as to improve the definition of the marginal portion. CONSTITUTION: An apparatus for improving definition of a TV screen includes a matrix unit(100), a deflection controller(140), and a velocity modulator(150). The matrix unit converts a video signal into color signal. The deflection controller generates a parabolar waveform for improving definition of the marginal portion of the screen according to focusing and deflection states. The velocity modulator modulates a velocity modulation signal applied to the screen in a manner that the level of the velocity modulation signal applied to the marginal portion of the screen is increased, and transmits the modulated signal to a CPT.
Patent KR-20020036207-A (KR)
Title: A transmitting service method of mass information through the Internet
Inventor: NAM BYOUNG CHAN
IPC: G06F17/00
Filed: 2000-11-08
Abstract: PURPOSE: A transmission service method for the mass information using the Internet is provided to remove the burden for exceedingly securing a storage area of a server and the stagnation by storing the mass information not the storage area of the server but the storage area or a CD of a user system. CONSTITUTION: The system comprises a system controller(2) of the server(1) storing the data from a user in a database(3) as a text or voice data, storing the information of the data transmission in an information output part(4) and informing a counter user of the information, a communication controller(5) under control of the system controller transmitting or receiving the data through the Internet network(6), a communication controller(8) of the user computer(7) transmitting the data to the server or receiving the data from the server, a controller(9) storing the input/output data in a memory(12) and selectively displaying the data on a monitor(14), a pickup module(18) outputting the data recorded in the CD(19) to the communication controller, and a voice converter(23) receiving the voice inputted from a mike(22), converting the voice into the digital signal and transmitting the converted data to the communication controller.
Patent KR-20020036918-A (KR)
Title: Vessel Automatic Identification System
Inventor: KIM JONG RYONG
IPC: H04Q9/00
Filed: 2000-11-11
Abstract: PURPOSE: An automated vessel recognition system is provided to prevent disasters at sea by reporting the position of vessel in real time, by automatically recognizing the position, and by efficiently controlling the vessel. CONSTITUTION: A GPS(Global Positioning System) receiver(21) receives GPS signals transmitted from a GPS system through an antenna(22). A synchronization unit(19) generates a standard time of a time slot using 1PPS(Pulse Per Second) UTC(Universal Timing Clock) signal provided from the GPS receiver(21). A wireless modem(15) modulates and demodulates data between a handy talkie(17) and the CPU(11). The wireless modem(15) modulates data provided from the CPU(11) and demodulates data received through the handy talkie(17). After that, the data are provided to the CPU(11). A memory(23) stores data inputted/outputted through a data transmitting/receiving unit(13) under the control of the CPU(11). A vessel position display processing unit(37) is installed in a computer(31) for enabling position information outputted from the CPU(11) to be displayed to a chart through a display(33). A message making-out support unit(39) is equipped in the computer(31) for enabling messages to be outputted to the CPU(11) through an input device(35).
Patent KR-20020040193-A (KR)
Title: Ultrasonic diagnostic system generating the same image as that of the source system and remote diagnostic method
Inventor: LEE SANG RIM
Filed: 2000-11-24
Abstract: PURPOSE: A system for diagnosing ultrasonic image and method for remote diagnosing are provided to transmit image information data including geometric information photographed by an image diagnosis system as an ultrasonic wave and clinical data to a doctor of a remote place through a communication unit mounted in an ultrasonic wave device in an ultrasonic wave diagnosis system. CONSTITUTION: A main PC(10) controls a digital ultrasonic wave image device in accordance with a command of a user through a control panel(20). A transmission unit(30) applies a transmission pulse in a 'N' number of ultrasonic wave conversion elements having an array form for constituting an ultrasonic wave image. A receiving unit(40) receives signals being reflected and outputted from an object(human body) from the conversion element and performs a filter process for a first-terminal amplification, a TGC(Time Gain Compensation), and an anti-aliasing. A receiving focusing unit(50) performs a dynamic focusing of output signals with respect to all image points. An ultrasonic wave echo processing unit(60) performs various signal processes in a high frequency and a base band requested for obtaining various images from a signal focused from the receiving focusing unit(50). A CF(Color Flow) processor(70) and a scan converter(80) receive an output signal of the ultrasonic wave echo processing unit(60) and embody a two-dimensional CF image and a B-mode image. A Doppler processor(90) receives output signals of the ultrasonic wave echo processing unit(60) and embodies a spectral Doppler wave. An image/voice signal processing unit(100) performs a signal process of an image/voice signal being outputted from the CF processor(70) and the scan converter(80) and outputs the signal to a screen/speaker or a recording unit.
Patent KR-20020040225-A (KR)
Title: Apparatus for distributing a multi beam in a mobile system
Inventor: CHOI YEONG RAE
IPC: H04B7/155
Filed: 2000-11-24
Abstract: PURPOSE: An apparatus for dividing and combining a multiple beam in a mobile communication system is provided to balance the traffic of each sector of a base station and efficiently use frequency resources by varying a size and a direction of a sector beam according to the traffic distribution of each sector using 6 adaptive beams. CONSTITUTION: A multiple beam shaper module(102) generates a multiple beam provided through m antennas as m beams in which directions differ each other. An 180° coupler module(104) synthesizes (m x n) beams generated in the multiple beam shaper module(102) as (m x n)/2 beams. A switch module(106) switches the beams provided through the 180° coupler module(104). An 180° phase transit module(108) performs phase transition so that the beams switched through the switch module(106) are synthesized. An analyzer module(110) adjusts the amplitudes and phase characteristics of the beams so that the amplitudes and phase characteristics of the beams are identical.
Patent KR-20020041663-A (KR)
Title: Method for Processing Subscriber Creation and Deletion in V5.2 protocol
Inventor: BAEK SEUNG IL
IPC: H04L12/00
Filed: 2000-11-28
Abstract: PURPOSE: A method for processing subscriber creation/deletion in a V5.2 protocol is provided to make both an AN(Access Network) and an LE(Local Exchange) maintain the state of a subscriber in an identical state, in case that the LE creates or deletes the subscriber, so that communication service for the subscriber can be processed normally. CONSTITUTION: If an MMI(Man Machine Interface) inputs a control command to a data handler to request the deletion of a subscriber inputted from a system operator(S31), the data handler deletes the deletion-requested subscriber from a subscriber database(S32). If subscriber deletion processing for the subscriber database is normally made, the data handler informs a V5.2 system manager that the V5.2 subscriber has been deleted(S33). The V5.2 system manager searches for a V5.2 interface and a port and transmits a service impossible message primitive for the deleted subscriber to the control protocol entity of a relevant V5.2 interface(S34). The control protocol entity transmits a port control message(FE203/204) to an AN(S35). The AN transmits a port control response message to the control protocol entity of an LE(S36). Then the AN transits a relevant subscriber port to a blocking state and sets the deleted V5.2 subscriber in a service impossible state(S37).
Patent KR-20020041900-A (KR)
Title: Nitride compound semiconductor vertical-cavity surface-emitting laser
Inventor: JUN SEONG RAN
IPC: H01S5/183
Filed: 2000-11-29
Abstract: PURPOSE: A nitride semiconductor vertical-cavity surface-emitting laser is provided to equally inject an electric current at an electric current inputting area by employing a thin p-n tunnel junction layer as the electric current inputting area and by forming a lower ohmic contact layer and an upper ohmic contact layer as n-type nitrides semiconductor layer. CONSTITUTION: An electric current inputting area of a nitride semiconductor vertical-cavity surface-emitting laser is constituted of a tunnel junction area comprising a p-type nitride semiconductor layer and a n-type nitride semiconductor layer. In the p-type nitride semiconductor layer, a p-type dopant having a concentration of 5x10¬18 - 1x10¬21cm¬-3 is doped. In the n-type nitride semiconductor layer, a n-type dopant having a concentration of 5x10¬18 -1x10¬21cm¬-3 is doped. A lower mirror stack(20) and a n-type ohmic contact layer(30) are deposited onto a substrate(10) in sequence. A n-type lower clad layer(40), an activation layer(50), a p-type upper clad layer(60) and a n-type upper ohmic contact layer(80) are deposited onto a central upper surface of the n-type ohmic contact layer(30). The tunnel junction area(70) comprising the p-type nitride semiconductor layer(72) and the n-type nitride semiconductor layer(74) is deposited onto a central upper surface of the p-type upper clad layer(60).
Patent KR-20010090703-A (KR)
Title: Operational amplifier and its offset cancel circuit
Inventor: KOKUBUN MASATOSHI
IPC: H03F3/34
Filed: 2000-12-12
Abstract: PURPOSE: An operational amplifier and its offset cancellation circuit is provided to suppress an offset of an operational amplifier without increasing a gate area of the operational amplifier. CONSTITUTION: The offset cancellation circuit comprises a capacitive element(C1) and switching elements(SW1-SW3). The capacitive element(C1) stores electric charges resulting from a voltage including an offset amplified by an operational amplifier section(1) and applies feedback control to the voltage of the operational amplifier section(1) on the basis of the stored electric charges. The switching elements(SW1-SW3) switch the storage of the electric charges resulting from the voltage to the capacitive element(C1), and the operation of the feedback control on the basis of the electric charges resulting from the voltage and stored in the capacitive element(C1). The offset from the operational amplifier section(1) cancels by using the capacitive element(C1) and the switching elements(SW1-SW3), thereby suppressing cancellation of the offset of the operational amplifier section(1) without the need for increasing the gate area of transistors(M1-M4) of the operational amplifier section(1).
Patent KR-20020047845-A (KR)
Title: Water-controlling electronic valve driving apparatus and method for condensate neutralization of heat recovery boiler
Inventor: KIM SEOK GU
IPC: F24D19/10
Filed: 2000-12-14
Abstract: PURPOSE: A water electronic valve driving device is provided to improve durability and reduce noise. CONSTITUTION: A controlling portion(60) controls general operation of a boiler. A gas electronic valve(34) determines whether to supply gas to a burner. A circulation pump(37) supplies heating water to a heat exchanger(44). A siphon(39) mixes acid condensate water discharged from the heat exchanger with water to neutralize. A water electronic valve(26) supplies water selectively to the siphon(39).
Patent KR-20020046842-A (KR)
Title: reheater for semisolid forming test
Inventor: KO YEONG JIN
IPC: B22D27/04
Filed: 2000-12-15
Abstract: PURPOSE: A reheater for testing a semi-solidified molding is provided to prevent the deformation of a material to be heated, to minimize the drop in temperature of the material, to obtain exact testing results, and to facilitate a test work by enabling a semi-solidified metal material to be quickly and easily fed to a primary heater and secondary heater. CONSTITUTION: A reheater(1) includes a primary heater(10) and secondary heater(20). A coil box supporting stand(30) supports the primary heater(10) and secondary heater(20) in such a manner that induction coils of the primary heater(10) and secondary heater(20) are positioned on a same vertical line. A feeder(40) is installed to be capable of being moved to the same vertical line through a support(45) which is disposed in a center portion of the coil box supporting stand(30). Two positioning pins(51,53) divide a vertical position of the feeder(40) into two levels.
Patent KR-20020049290-A (KR)
Title: Collision-detecting battery cut-off system in automobile
Inventor: HAN DONG HUN
IPC: B60R21/08
Filed: 2000-12-19
Abstract: PURPOSE: A power cutoff device is provided to prevent a fuel leakage due to a collision of a vehicle and to prevent a fire caused by an electrical spark by allowing power from a battery to be cut off rapidly at a moment of the collision of the vehicle. CONSTITUTION: A power cutoff device comprises a collision sensing portion(100), a driving portion(200), and a cutoff portion(300). The collision sensing portion(100) judges whether or not a collision has occurred, and outputs any one of high or low signals. The driving portion(200) is connected to the collision sensing portion(100). The driving portion(200) judges whether the output signals from the collision sensing portion(100) is a collision signal or not, and outputs any one of high or low signals. The cutoff portion(300) is connected to the driving portion(200). The cutoff portion(300) cuts off power supply from a battery if an output signal from the collision sensing portion(100) corresponds to a signal when the collision sensing portion(100) senses a collision. The cutoff portion(300) sustains power supply from the battery if an output signal from the collision sensing portion(100) corresponds to a signal when the collision sensing portion(100) does not sense a collision.
Patent KR-20020049528-A (KR)
Inventor: YOON SEUNG GUK
IPC: F16F9/00
Filed: 2000-12-19
Abstract: PURPOSE: A shock absorber is provided to improve buffering by adjusting flow rate automatically according to load with inserting a conical bar to a through hole of a piston in moving the piston. CONSTITUTION: A shock absorber is composed of a cylinder(10) filled with fluid; a piston(20) moving in the cylinder, dividing the cylinder into two parts(A), and flowing fluid via a through hole(21); and a piston rod(30) fixed in a piston(20), and protruded outward by penetrating a lower part(10c) of the cylinder. Conical bars(12) are formed in the cylinder, and the conical bar is inserted to the through hole of the piston in moving the piston. The rate of flow moving via the through hole is adjusted automatically according to load. Buffering is improved with automatically regulating flow rate of the cylinder according to the load.
Patent KR-20020053172-A (KR)
Title: assembly structure for a tension-shadow mask and a frame in a color cathode ray tube
Inventor: CHOI DON BIN
IPC: H01J29/02
Filed: 2000-12-27
Abstract: PURPOSE: A tension mask-frame assembly structure of a color cathode ray tube is provided to obtain sufficient intensity for applying sufficient pressure and use regardless of fine cracks at welded parts. CONSTITUTION: A tension mask-frame assembly structure of a color cathode ray tube comprises long edge frames(20) and short edge frames(30). The long edge frame(20) includes cut parts(23) at both ends of its horizontal edge(22). The short edge frame(30) of U type is protruded upward through the cut part(23) to contact with a vertical edge(21) of the long edge frame(20). The short edge frame(30) is welded to the welding parts(25) to be fixed to the long edge frame(20). Because the vertical edge(21) is attached to the upper part of the short edge frame(30), strong compressing force does not effect on the welding parts(25) so as to avoid doming due to operating temperature and damage due to fine cracks in the welding parts(25).
Patent KR-20020054143-A (KR)
Title: Device for controlling dpram interrupt
Inventor: LEE SU YEONG
IPC: G06F9/46
Filed: 2000-12-27
Abstract: PURPOSE: A DPRAM(Dual Port RAM) interrupt controller is provided to enable a processor board to recognize an interrupt again in the case that the processor board does not recognize the interrupt generated at a processor interface board in a control station so that it makes possible a smooth DPRAM communication between the processor interface board and the processor board. CONSTITUTION: The system comprises a DPRAM(100), a processor interface board(200), a processor board(300), and an EPLD(Erasable Programmable Logic Device, 400). The DPRAM(100), installed between the processor interface board(200) and the processor board(300), stores packet data, written by the processor interface board(200), until the packet data is read by the processor board(300). The processor interface board(200) notifies the processor board of a fact that there exists packet data at a specific area of the DPRAM by receiving packet data, writing the packet data at a specific area of the DPRAM, and setting an interrupt to the processor board in a low level. The processor board(300) receives a low level interrupt signal from the processor interface board, reads the packet data stored at a specific area of the DPRAM, and transmits the packet data to a next device. The EPLD(400) receives the low level interrupt signal from the interface board(200), and transmits it to the processor board(200) while storing it for a time. But in a case that the processor board recognizes the low level interrupt signal for a time, the EPLD(400) converts the low level interrupt into the high level one for enabling the processor interface board(300) to generate an interrupt again.
Patent KR-20010062819-A (KR)
Inventor: EKEUJON
IPC: H04N7/12
Filed: 2000-12-28
Abstract: PURPOSE: An automatic search system and a method for determining conversion between a satellite television frequency and a CATV(Cable Television) frequency and a conversion table and a method for generating the same are provided to reduce the installation time by connecting a cable television frequency having a QAM signal with a satellite television frequency. CONSTITUTION: A cable television frequency is synchronized with a satellite television frequency. Satellite service data including a mark of the satellite television frequency are read from the cable television frequency. The mark related to the cable television frequency is stored into a conversion table. The above processes for other cable frequency are performed repeatedly. A CATV synchronizer(10) synchronizes a CATV channel. A QAM digital demodulator(12) demodulates a QAM signal from the CATV synchronizer(10). A conversion controller(14) controls the QAM digital demodulator(12).
Patent KR-20020056054-A (KR)
Title: Hose-Air intake
Inventor: LEE SEONG HUN
IPC: F16L11/04
Filed: 2000-12-29
Abstract: PURPOSE: A pneumatic intake hose is provided to improve a thermal resistance and a negative pressure resistance by replacing into 45 to 60 by weight percent of ethylene vinylacetate copolymers as a hose material. CONSTITUTION: A pneumatic intake hose consists essentially of an ethylene vinylacetate copolymers between 45 to 60 by weight percent. The hose consists further of a carbon black between 40 to 55 by weight percent, a low viscous oil, a zinc oxide and auxiliary components. The auxiliary components contain 2D as an antioxidant, a vulcanizing accelerator such as TT, MT and TMDT, and a vulcanizing agent such as sulfur, of which contents have a composition between 40 to 55 by weight percent comparing with a total composition.
Patent KR-20010105145-A (KR)
Title: 고경도 고크롬 주철소결체의 제조방법
IPC: C22C33/02
Filed: 2000-12-30
Abstract: 본 발명에는, 종래의 주철주조체에 비해서, 크게 향상된 기계적 특성, 내마모성 및 내부식성을 지닌 특정 화학조성의 고크롬 주철소결체의 제조방법이 개시되어 있다.   본 발명의 방법은, 용융물을, 예를 들면, 원심분무법에 의해 급랭응고시킴으로써 주철합금의 분말을 제조하는 공정과, 이 분말을 방전플라즈마소결법에 의해 압축하에 소결하는 공정을 구비한 것을 특징으로 한다.